21299190

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1$

素因数の和:162

約数の個数: 128

約数和(自身を含む): 60825600

約数和(自身を除く): 39526410

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 19, 22, 30, 33, 38, 43, 55, 57, 66, 79, 86, 95, 110, 114, 129, 158, 165, 190, 209, 215, 237, 258, 285, 330, 395, 418, 430, 473, 474, 570, 627, 645, 790, 817, 869, 946, 1045, 1185, 1254, 1290, 1419, 1501, 1634, 1738, 2090, 2365, 2370, 2451, 2607, 2838, 3002, 3135, 3397, 4085, 4345, 4503, 4730, 4902, 5214, 6270, 6794, 7095, 7505, 8170, 8690, 8987, 9006, 10191, 12255, 13035, 14190, 15010, 16511, 16985, 17974, 20382, 22515, 24510, 26070, 26961, 33022, 33970, 37367, 44935, 45030, 49533, 50955, 53922, 64543, 74734, 82555, 89870, 99066, 101910, 112101, 129086, 134805, 165110, 186835, 193629, 224202, 247665, 269610, 322715, 373670, 387258, 495330, 560505, 645430, 709973, 968145, 1121010, 1419946, 1936290, 2129919, 3549865, 4259838, 7099730, 10649595, 21299190]

約数ペア:

[(1, 21299190), (2, 10649595), (3, 7099730), (5, 4259838), (6, 3549865), (10, 2129919), (11, 1936290), (15, 1419946), (19, 1121010), (22, 968145), (30, 709973), (33, 645430), (38, 560505), (43, 495330), (55, 387258), (57, 373670), (66, 322715), (79, 269610), (86, 247665), (95, 224202), (110, 193629), (114, 186835), (129, 165110), (158, 134805), (165, 129086), (190, 112101), (209, 101910), (215, 99066), (237, 89870), (258, 82555), (285, 74734), (330, 64543), (395, 53922), (418, 50955), (430, 49533), (473, 45030), (474, 44935), (570, 37367), (627, 33970), (645, 33022), (790, 26961), (817, 26070), (869, 24510), (946, 22515), (1045, 20382), (1185, 17974), (1254, 16985), (1290, 16511), (1419, 15010), (1501, 14190), (1634, 13035), (1738, 12255), (2090, 10191), (2365, 9006), (2370, 8987), (2451, 8690), (2607, 8170), (2838, 7505), (3002, 7095), (3135, 6794), (3397, 6270), (4085, 5214), (4345, 4902), (4503, 4730)]